h2, h4 {display: inline;  margin-left: 30px;}
.header {float : left; margin: 30px; }
p { font-size: 1.25em; /* 14px/16=0.875em */
}
div.left {
    float: left;
    clear: both;
	font-weight: bold;
	}
div.right {
	margin-left: 10em;
	}
.link { clear:left; }
.left {float:left; }
a {
  text-decoration: none;
  display: inline-block;
  padding: 8px 16px;
  border-radius :10%
	}

a:hover {
  background-color: #ddd;
  color: black;
	}

.previous {
  background-color: #04AA6D;
	  color: white;
}
.next {
  background-color: #04AA6D;
  color: white;float:right;
	}
div.ex1 {
  max-width: 1400px;
	}

.header { margin: 10px;}
.comment { min-width: 620px; }
.heading { font-size:1.5rem; margin-left: 20vw; font-weight: bold; }